A:AnswerBluetooth pair or if your phone is NFC compatible when the ear piece is in paring mode hold it close to the phone... I did this on my Samsung G7 Edge
A:AnswerOn initial power up, it walks you right through the steps. Otherwise, follow the written instructions. They are available on the Plantronics website if you don't have them.
A:AnswerMake sure the mic boom is angled toward your mouth. If that doesn't help delete and reestablish the connection to your device. I hope that helps